Native Plants

Creeping Lady’s Nightcap

Bonamia repens

USDA symbol: BORE9

perennial subshrub

Lower 48 states: native

If you’re passionate about native Texas plants and love discovering botanical treasures, creeping lady’s nightcap (Bonamia repens) might just capture your gardening heart. This charming little perennial shrub is one of Texas’s best-kept secrets – and unfortunately, one of its most vulnerable native species. Creeping lady’s nightcap is a low-growing ...

Creeping Lady’s Nightcap may be listed as rare in your area.
Global Conservation Status

Status: S3 | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Creeping Lady’s Nightcap: A Rare Texas Native Worth Protecting

If you’re passionate about native Texas plants and love discovering botanical treasures, creeping lady’s nightcap (Bonamia repens) might just capture your gardening heart. This charming little perennial shrub is one of Texas’s best-kept secrets – and unfortunately, one of its most vulnerable native species.

Meet This Rare Texas Native

Creeping lady’s nightcap is a low-growing perennial shrub that hugs the ground, typically staying under 1.5 feet tall and never exceeding 3 feet at maturity. Despite its delicate appearance, this hardy little plant has adapted beautifully to life in the sandy soils of East Texas, where it’s found nowhere else in the world.

You might also see this plant listed under its botanical synonym, Petrogenia repens, in older botanical references, but Bonamia repens is the accepted scientific name today.

Where You’ll Find It (And Why That’s Important)

This special plant calls only Texas home, making it a true Lone Star State endemic. It grows naturally in the sandy soils of East Texas, where it has carved out its own unique ecological niche.

  • Species observed
  • No observations

Here’s the important part: Creeping lady’s nightcap has a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 occurrences and between 3,000 and 10,000 individuals remaining in the wild, this little plant needs our help to survive.

Why Grow Creeping Lady’s Nightcap?

Despite its rarity – or perhaps because of it – there are compelling reasons to consider adding this native gem to your Texas garden:

  • Conservation impact: Growing responsibly sourced plants helps preserve this vulnerable species
  • True Texas native: Support local ecosystems with plants that evolved right in your backyard
  • Low maintenance: Once established, it’s remarkably drought-tolerant
  • Pollinator magnet: Small white to pale pink tubular flowers attract native bees and beneficial insects
  • Unique ground cover: Perfect for creating natural-looking landscapes

Garden Design and Landscape Role

Creeping lady’s nightcap shines in native Texas gardens and xeriscaping projects. Its low-growing, spreading habit makes it an excellent choice for:

  • Ground cover in naturalized areas
  • Erosion control on sandy slopes
  • Front borders in native plant gardens
  • Rock gardens and sandy garden beds

The plant’s modest size and unassuming beauty work best in informal, naturalistic designs rather than formal garden settings.

Growing Conditions and Care

Good news for Texas gardeners – this native is surprisingly easy to grow once you understand its preferences:

Climate: Thrives in USDA hardiness zones 8-10, perfect for most of Texas

Soil: Loves sandy, well-draining soils (just like its natural habitat). Heavy clay soils are a no-go – the roots need good drainage to prevent rot.

Light: Adaptable to full sun or partial shade, though it tends to flower better with more sun exposure

Water: Drought-tolerant once established, but appreciates occasional deep watering during extreme drought periods

Planting and Care Tips

Here’s how to give your creeping lady’s nightcap the best start:

  • Soil prep: Amend heavy soils with coarse sand to improve drainage
  • Planting: Space plants 2-3 feet apart to allow for natural spreading
  • Watering: Water regularly the first year to establish roots, then reduce frequency
  • Fertilizing: Skip the fertilizer – native plants prefer lean soils
  • Pruning: Minimal pruning needed; just remove any dead or damaged growth

A Word About Responsible Sourcing

Important: Because creeping lady’s nightcap is rare and vulnerable, only purchase plants or seeds from reputable native plant nurseries that practice ethical propagation. Never collect plants from the wild – this could harm the already small wild populations.

Look for nurseries that participate in conservation programs or clearly state their propagation methods. Some native plant societies may also have seed or plant swaps where responsibly propagated material is available.

Supporting Pollinators and Wildlife

While small and unassuming, creeping lady’s nightcap pulls its weight in supporting local ecosystems. The tubular flowers attract native bees, small butterflies, and other beneficial insects that are crucial for a healthy garden ecosystem.

The Bottom Line

Creeping lady’s nightcap represents everything wonderful about native plant gardening – it’s perfectly adapted to local conditions, supports native wildlife, and connects us to the unique natural heritage of Texas. While its vulnerable status means we need to be thoughtful about how we grow it, responsible cultivation can actually help ensure this special plant’s survival for future generations.

If you’re ready to add a true Texas treasure to your native garden, seek out ethically sourced creeping lady’s nightcap. Your local pollinators – and the future of this rare species – will thank you.

Bonamia repens is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Bonamia repens is also known as:

Petrogenia repens | USDA symbol: PERE3

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Solanales
Family: Convolvulaceae Juss. - Morning-glory family
Genus: Bonamia Thouars - lady's nightcap

Species: Bonamia repens (I.M. Johnst.) Austin & Staples - creeping lady's nightcap

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA